<template>
  <h1>循环指令</h1>
  <ul>
    <!--  循环遍历arr数组,uname就是本轮循环遍历到的元素-->
    <li v-for="uname in arr">{{ uname }}</li>
  </ul>
  <ol>
    <li v-for="item in 5">{{ item }}</li>
  </ol>
  <table border="1px">
    <caption>商品列表</caption>
    <tr>
      <th>序号</th>
      <th>商品标题</th>
      <th>商品价格</th>
      <th>商品库存</th>
      <th>操作</th>
    </tr>
    <tr v-for="(p,index) in productArr">
      <td>{{ index + 1 }}</td>
      <td>{{ p.title }}</td>
      <td>{{ p.price }}</td>
      <td>{{ p.num }}</td>
      <td><button @click="del(index)">删除</button></td>
    </tr>
  </table>

</template>

<script setup>
import {ref} from "vue";

const arr = ref(["张三", "李四", "王五", "赵六", "钱七"]);
const productArr = ref([
  {title: '小米手机', price: 5000, num: 800},
  {title: '华为手机', price: 6000, num: 200},
  {title: '苹果手机', price: 10000, num: 500},
  {title: '三星手机', price: 4000, num: 700},
  {title: '三星手机', price: 4000, num: 700},
  {title: '三星手机', price: 4000, num: 700},
]);
const del=(index)=>{
  if (confirm('您确定要删除此条数据吗?')){
    productArr.value.splice(index,1);
  }
};
</script>

<style scoped>

</style>